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Alfa Aesar™ o-Tolidine dihydrochloride, 97%

Chemical Identifiers

CAS 612-82-8
Molecular Formula C14H16N2·2HCl
Formula Weight 285.22
MDL Number MFCD00012960
UN Number UN3077
Synonym 4,4'-Diamino-3,3'-dimethylbiphenyl dihydrochloride; 3,3'-Dimethylbenzidine dihydrochloride
Chemical Name or Material o-Tolidine dihydrochloride
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Products ${productFamilyLength}
Catalog Number Mfr. No. Quantity Price Quantity  
Catalog Number Mfr. No. Quantity Price Quantity  
AAA1819614 SDS Alfa Aesar™
A1819614
25g N/A N/A  
Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
AAA1819622 SDS Alfa Aesar™
A1819622
100g N/A N/A  
Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
Specifications

Description

Applications
o-Tolidine dihydrochloride is used as a sensitive colorimetric reagent for gold and for free chlorine in water.

Solubility
Soluble in water.

Notes
Air and light sensitive. Incompatible with oxidizing agents.
Description & Specifications

Chemical Identifiers

612-82-8
285.22
UN3077
o-Tolidine dihydrochloride
C14H16N2·2HCl
MFCD00012960
4,4'-Diamino-3,3'-dimethylbiphenyl dihydrochloride; 3,3'-Dimethylbenzidine dihydrochloride

Specifications

612-82-8
285.22
UN3077
>300°C
25g
97%
C14H16N2·2HCl
MFCD00012960
4,4'-Diamino-3,3'-dimethylbiphenyl dihydrochloride; 3,3'-Dimethylbenzidine dihydrochloride
Odorless
o-Tolidine dihydrochloride

Safety and Handling

GHS H Statement
H350-H302
May cause cancer.
Harmful if swallowed.

GHS P Statement
P281-P264-P301+P312-P308+P313-P405-P501a
Use personal protective equipment as required.
Wash thoroughly after handling.
IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell.
IF exposed or concerned: Get medical advice/attention.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.

Danger

DOTInformation : Transport Hazard Class: 9; Packing Group: III; Proper Shipping Name: ENVIRONMENTALLY HAZARDOUS SUBSTANCES, SOLID, N.O.S.

RTECSNumber : DD1226000

TSCA : TSCA